Arsenal do Alfeite

What Arsenal do Alfeite does

Arsenal do Alfeite, S.A. is a Portuguese state-owned naval shipyard located at the Lisbon Naval Base in Almada, Portugal. The company was constituted as a State Enterprise by Decree-Law No. 33/2009 on 5 February 2009, with operational roots tracing back to 1939 (80th anniversary celebrated in 2019). Its sole shareholder is IdD – Portugal Defence, making it a Public Reclassified Entity (ERP) under Portuguese law with exclusively public capital and a registered share capital of €32,400,000. The company employs 501-1,000 people and operates through direct government contracting and the VORTALgov public procurement platform. Core leadership includes Bernardo de Sousa Brás Vilar Soares as President of the Administrative Council. The firm holds ISO 9001, ISO 14001, ISO 45001, IQNet, and DGERT certifications and is a member of CT138 (Non-Destructive Testing), CT19 (Welding), CT3 (Paints and Varnishes), CT168 (Metrology), RELACRE, and FEM. Arsenal do Alfeite specializes in the construction, repair, and maintenance of naval and commercial vessels, plus specialized industrial maintenance for weapons systems, sensors, communications, and mechanical/electrical systems. Operational divisions include Surface Ships, Submarine Maintenance (notably the NRP Tridente, a Type 212/214 submarine undergoing PR01+D011 maintenance), Combat and Communications Systems, Mechanics, and Laboratories and Quality Control. Infrastructure includes dry-dock and floating-dock facilities. The 2022 Arsenal 4.0 strategic plan anchors digital transformation and Industry 4.0 adoption, supported by the Academia Arsenal training academy (with the Centro de Inovação e Experimentação inovAA) — funded partly via Portugal's PRR (EU Recovery and Resilience Plan) and producing certified courses in pipefitting, reverse engineering / AR-VR manufacturing with 3D scanning, digital transformation in naval shipyards, and electronics and communications.

The company's primary customer is the Portuguese Navy (Marinha Portuguesa), formalized through the 2020 Intersectoral Fleet Renewal Program covering frigate modernization (B.Dias and V.Gama classes), new-generation frigates, and submarine maintenance. International exposure comes via the CISS Common In-Service Support Programme — a multinational submarine sustainment initiative with Germany and Italy as members, and Norway, Greece, and Israel as prospective members — for which Arsenal do Alfeite hosts Steering Committee meetings and provides maintenance services. Smaller commercial shipping and local-government contracts (e.g., construction of the 'Cego do Maio' lifeboat for the Municipality of Póvoa de Varzim) round out the revenue base. Revenue is generated through B2B direct government and defense contracts under the Portuguese Public Contracts Code; pricing is not publicly disclosed. Additional academic partnerships with FCT NOVA, ISEL, Instituto Superior Técnico, Escola Naval, and Ghent University (PKarus) feed a structured talent pipeline and innovation ecosystem.

Name

Arsenal do Alfeite

Legal name

Arsenal do Alfeite, S.A.

Website

https://arsenal-alfeite.pt

Company type

Private

Founded year

1939

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Arsenal do Alfeite, S.A. is a Portuguese state-owned naval shipyard at the Lisbon Naval Base specializing in construction, repair, and maintenance of military and commercial vessels, primarily serving the Portuguese Navy and allied-navy submarine programs.

Ownership category

akta.pro rank

Product category

Naval Shipbuilding and Repair Services

NAICS

Ship Building and Repairing (336611)

SIC

Ship & Boat Building & Repairing (3730)

akta.pro primary industry

Naval Ship Modernization, Refits & Life Extension (Depot Maintenance) (IMAJABAI)

akta.pro secondary industries

Naval & Government Vessel Maintenance & Modernization (TLAKAKAB), Submarine Modernization, Refuel/Overhaul & Depot Maintenance (MRO) (IMAJAOAO), Naval Weapons & Launch Systems (Guns, VLS, Torpedoes Interfaces) (IMAJABAK)

Keywords

• Naval shipbuilding services
• Ship repair maintenance
• Submarine maintenance services
• Maritime industrial maintenance
• Defense shipyard services

Headquarters

HQ city

Alfeite

HQ country

Portugal

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D, Others

Revenue model

1. Naval Shipbuilding: Construction of new naval vessels including lifeboats, frigates and other military ships for Portuguese Navy and international clients.
2. Ship Repair and Maintenance: Repair and maintenance services for military and commercial vessels including dry docking, systems overhaul and modernization programs.
3. Specialized Industrial Maintenance: Industrial maintenance services for weapons systems, sensors, communications, electrical and mechanical systems.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Arsenal do Alfeite, S.A. is a state-owned Portuguese naval shipyard whose main mission is the construction, repair and maintenance of military naval units (including submarines and surface ships such as frigates), commercial ships, and specialized industrial maintenance of weapons, sensors, communications, mechanical, electrical and electronic systems. The shipyard also offers dry dock and floating dock services, quality control and calibration laboratory services, underwater operations, and certified training through its DGERT-certified Academia Arsenal and innovation activities through the inovAA center under the Arsenal 4.0 digital transformation strategy.

Product overview

Arsenal do Alfeite S.A. is a Portuguese naval shipyard providing shipbuilding, repair and maintenance services for military and commercial vessels. The company operates a unified service offering centered on core naval shipyard operations including surface ship construction, submarine maintenance, combat systems, and mechanical/electrical divisions. Supporting these core operations is the Arsenal 4.0 strategic initiative encompassing the Academia do Arsenal (training academy) and Centro de Inovação e Experimentação inovAA (innovation center). The academy provides certified training courses including Técnicas de Fabrico e Reparação de Tubagens–Pipefitting, Engenharia Inversa para Fabrico AR e VR, Transformação Digital em Estaleiros Navais, and Eletrónica e Comunicações. The innovation center focuses on Industry 4.0 digital transformation for naval maintenance operations.

Differentiator

Problem solved

Functional benefit

Brands

• Arsenal 4.0: Strategic transformation plan focused on cutting-edge technologies, Industry 4.0 adoption, and digital transformation.
• Academia Arsenal (inovAA)

Products and services

• Naval Shipbuilding, Repair and Maintenance Construction, repair and maintenance services for military naval units, commercial ships, and specialized industrial maintenance covering weapons, sensors, communications, electrical, electronic and mechanical systems. Provided to the Portuguese Navy, international defense organizations and commercial maritime operators.
• Surface Ships (Navios de Superfície) Construction and maintenance of surface naval vessels, including frigates and other military surface ships, for the Portuguese Navy and allied defense customers.
• NRP Tridente Submarine Maintenance Submarine repair, maintenance and modernization services, including execution of the PR01+D011 maintenance package for the NRP Tridente submarine (Type 212/214). Performed at the shipyard's dry dock infrastructure capable of submarine docking since 2018.
• Combat and Communications Systems Division Services Control, maintenance and testing of electrical and electronic systems for naval applications, covering combat systems, sensors, communications and electronic warfare subsystems installed on board vessels serviced at the shipyard.
• Mechanics Division Services Maintenance of mechanical, electromechanical and auxiliary shipboard systems, including air compressors, refrigeration compressors, air conditioning compressors, electropumps, and pressure reservoir testing, supporting naval vessel sustainment programs.
• Laboratories and Quality Control Division Services Quality control, inspection, testing and calibration services applied to naval maintenance and repair operations, supporting certified compliance with maritime and defense standards.
• Dry Dock Services Dry docking services with lifting equipment and infrastructure supporting docking operations for naval and commercial vessels, including facilities for submarine docking since 2018.
• Floating Dock Services Floating dock facilities supporting vessel maintenance and repair operations, providing additional docking flexibility alongside the shipyard's fixed dry dock infrastructure.
• Academia do Arsenal (Training Academy) Internal DGERT-certified training academy providing continuous professional development and digital skills training for shipyard operations, structured around capacity building/HR valorization and innovation pillars.
• Centro de Inovação e Experimentação inovAA Innovation and experimentation center dedicated to promoting modernization, continuous improvement and efficiency of productive processes focused on naval maintenance and repair through Industry 4.0 digital transformation, supported by Vodafone Power Lab mentorship.
• Técnicas de Fabrico e Reparação de Tubagens – Pipefitting (Certified Course) DGERT-certified 55-hour course covering pipefitting techniques, including materials characterization (carbon steel, stainless steel, aluminum, copper-nickel, PVC), welding (TIG, shielded electrode, oxy-acetylene), hydraulic tests, and workplace safety standards.
• Engenharia Inversa para Fabrico AR e VR (Scanner 3D) Course Training course on reverse engineering for AR and VR manufacturing using 3D Scanner technology, integrated in the continuous skills development plan under DGERT certification at Academia Arsenal.
• Transformação Digital em Estaleiros Navais Course Course on Digital Transformation in Naval Shipyards developed in partnership with FCT NOVA, aimed at training professionals for new technological challenges in the naval industry.
• Eletrónica e Comunicações Course (1.ª edição) First edition of the Electronics and Communications course (CNQ area 523 – Electronics and Automation), covering electronics, radiofrequency, telecommunications systems and power quality with practical application in naval context, under DGERT certification.

Named customers4 records

Segments2 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Faculdade de Ciências e Tecnologia da Universidade NOVA de Lisboa (FCT NOVA)coreStrategic or Co-development Partner · 1 August 2025Academic partnership for 'Digital Transformation in Naval Shipyards' course delivered through Academia Arsenal, aiming to train professionals in new technological challenges in the naval industry. First outcome of the partnership launched in August 2025.
• Portuguese Navy (Marinha Portuguesa)coreStrategic or Co-development Partner · 27 November 2020Strategic partnership for the Intersectoral Fleet Renewal Program including frigate modernization (B.Dias and V.Gama classes), new generation frigates, and submarine maintenance. The partnership includes strategic alignment coordination group (GC-AEMA) meetings.
• PKarus (Ghent University)minorStrategic or Co-development PartnerAcademic partnership promoting student visits from Ghent University (Belgium). In March 2026, 25 electromechanical engineering students visited the shipyard for academic purposes.
• ISEL (Instituto Superior de Engenharia de Lisboa)coreStrategic or Co-development PartnerOngoing educational partnership with engineering students. In November 2025, 3rd year Mechanical Engineering students visited to learn about Quality Control and inspection methods in naval maintenance.
• Vodafone Power LabminorStrategic or Co-development PartnerPartnership through 'Be a Mentor' program hosted at Academia Arsenal Innovation Center (inovAA), supporting startup ecosystem and mentorship activities.
• Escola Naval (Naval School)coreStrategic or Co-development PartnerEducational partnership hosting Naval School students for study visits. In May 2025, 2nd year students visited the Mechanics Division to observe auxiliary system maintenance including compressors and electro-pumps.
• CISS - Common In-Service Support ProgrammecoreStrategic or Co-development PartnerInternational defense partnership with member countries Germany, Italy, Portugal and prospective members Norway, Greece, Israel. Arsenal do Alfeite hosts Steering Committee meetings and provides submarine maintenance services for the multinational program.

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Babcock International: UK-based defense and naval support services company providing fleet sustainment, marine MRO and submarine support. Comparable to Arsenal's through-life support model for military customers in a Western European context.
• Flensburger Schiffbau-Gesellschaft (FSG): German shipyard specialized in building and maintaining naval vessels including frigates and corvettes. Closely comparable to Arsenal's surface-ship construction and MRO activities for European naval customers.
• thyssenkrupp Marine Systems: German submarine and naval surface ship builder and maintainer, including Type 212/214 platforms — the same class as NRP Tridente serviced by Arsenal. Direct counterpart within the CISS programme and a natural peer on submarine MRO.
• Navantia: Spanish state-owned naval shipbuilder and defense contractor operating major shipyards for frigates, submarines and naval MRO. Closely comparable to Arsenal do Alfeite in mission, ownership model and product offering, with a much larger scale.

Broad incumbents

• Naval Group: French state-owned naval defense company building submarines, frigates and combat systems, and providing through-life support. Comparable to Arsenal in submarine and surface-ship maintenance, but at significantly greater scale and global reach.
• Damen Shipyards: Dutch shipbuilding group with naval, commercial and repair yards across Europe. Overlaps with Arsenal in naval and commercial ship repair, refit and modernization services across European shipyards.
• BAE Systems Maritime: UK-based major defense prime with shipbuilding, repair and naval sustainment capabilities across frigates, submarines and surface combatants. Comparable in naval sustainment scope though operating at far greater scale.
• Fincantieri: Italian shipbuilding group active in naval and commercial vessels, including frigates and submarines via participation in major European programs. Overlaps with Arsenal in naval shipbuilding and MRO, particularly within the Italian-Portuguese defense relationship.

Regional players

• West Sea - Estaleiros Navais do Mondego: Portuguese shipyard (Viana do Castelo) focused on naval and commercial shipbuilding for the Portuguese Navy and international clients. Comparable domestic peer for Arsenal within Portugal's naval shipbuilding ecosystem.

Others

• Empordef - Arsenal de Marinha (Portugal): Portuguese defense holding under IdD - Portugal Defence overseeing state defense assets; structurally connected to Arsenal do Alfeite through shared ownership and defense industrial policy oversight.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/ArsenalAlfeiteSA
• LinkedInpt.linkedin.com/company/arsenalalfeitesa
• Instagraminstagram.com/arsenal.alfeite
• Xx.com/AAlfeite

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Arsenal do Alfeite